package Thread;

import java.util.HashMap;
import java.util.concurrent.atomic.AtomicInteger;

public class Demo39 {
    public static AtomicInteger atomicInteger = new AtomicInteger(0);
    public static void main(String[] args) throws InterruptedException {
        HashMap<Thread, Integer> map = new HashMap<>();
    Thread t1 = new Thread(()->{
        for (int i = 0; i < 10000; i++) {
            //count+++
            atomicInteger.getAndIncrement();
        }
    });
    Thread t2 = new Thread(()->{
        for (int i = 0; i < 10000; i++) {
            atomicInteger.getAndIncrement();
        }
    });
    t1.start();
    t2.start();
    try {
        t1.join();
        t2.join();
    }catch (InterruptedException e) {
        e.printStackTrace();
    }
        System.out.println(atomicInteger.get());
    }
}
